127. A dummy activity
A.Is artificially introduced
B.Is represented by a dotted line
C.Does not require any time
D.All of the above

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128. The difference between the time available to do the job and the time required to do the job, is known as
A.Event
B.Float
C.Duration
D.Constraint

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129. The probability distribution of activity times in PERT follows following distribution
A.Normal
B.Binomial
C.Beta
D.Exponential

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130. The probability distribution of project completion in PERT follows following distribution
A.Normal
B.Binominal
C.Beta
D.Exponential

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131. If TL is the largest allowable event occurrence time, total activity slack (s) is equal to
A.Latest start time ? earliest start time
B.Latest finish time ? earliest finish time (EFT)
C.TL?EFT
D.All of the above

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132. The critical activity has
A.Maximum float
B.Minimum float
C.Zero float,
D.Average float

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133. The time by which the activity completion-time can be delayed without affeFting the start of succeeding activities, is lown as
A.Duration
B.Total float
C.Free float
D.Interfering float

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